#C4F257#C4F257

#C4F257 is a very light, vivid yellow-green. Relative luminance 0.759; OKLCH L 90.0% C 0.186 H 124.2°. Best body text is #000000 at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#C4F257
RGB	rgb(196, 242, 87)
HSL	hsl(78, 86%, 65%)
HSV	hsv(78, 64%, 95%)
CMYK	cmyk(19%, 0%, 64%, 5.1%)
CIE-LAB	lab(89.83, -36.39, 67.44)
CIE-LCH	lch(89.83, 76.63, 118.35°)
OKLab	oklab(89.99% -0.1046 0.1537)
OKLCH	oklch(89.99% 0.186 124.2)
XYZ	xyz(56.2378, 75.9277, 20.7077)
Luminance	0.7593 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4F257 #8557F2

analogous

#F2D257 #C4F257 #77F257

triadic

#C4F257 #57C4F2 #F257C4

tetradic

#C4F257 #57F2D2 #8557F2 #F25777

square

#C4F257 #57F2D2 #8557F2 #F25777

split-complementary

#C4F257 #5777F2 #D257F2

monochromatic

#8BC00F #B0EE1E #C4F257 #D8F690 #ECFBC9

Accessibility & contrast

On white

1.30

#C4F257 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.19

#C4F257 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4F257

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4F257	#FFFFFF	#000000	##000000
##C4F257	1.00	1.30	16.19	16.19
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.19	21.00	1.00	1.00
##000000	16.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE343

Deuteranopia (green-blind)

#F9E163

Tritanopia (blue-blind)

#CDE7D2

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c4f257;
/* rgb */ color: rgb(196, 242, 87);
/* oklch */ color: oklch(90.0% 0.186 124.2);

Tailwind

colors: {
  custom: {
    50: '#d9f68d',
    500: '#c4f257',
    950: '#000000',
  },
}

SCSS

$custom: #c4f257;
$custom-light: #d9f68d;
$custom-dark: #000000;

JSON

{
  "hex": "#c4f257",
  "rgb": {
    "r": 196,
    "g": 242,
    "b": 87
  },
  "hsl": {
    "h": 77.806,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.89985,
    "c": 0.18595,
    "h": 124.2
  },
  "luminance": 0.75928
}

Semantic roles & 50–950 ramp

primary

#C4F257

secondary

#5A30BE

accent

#03E245

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4F257

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →